The product is a lot of 5 sealed Panini Mosaic 2021 Soccer Blaster Boxes, featuring cards from the UEFA European Championships. Each box contains standard-sized cards made of card stock and paper, with a focus on players like Ronaldo and Christian Eriksen. The boxes include a variety of features such as serial numbers, short prints, holograms, rookie cards, and inserts, making them a sought-after item for soccer fans and collectors. With top teams like FC Barcelona, Real Madrid, England, and Manchester United featured in the set, this product offers a chance to collect exclusive cards and chase after rare parallels and inserts.